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Intel is rolling out the 750GB Optane SSD DC P4800X, a larger capacity version of the model launched earlier this year, bbased on the 3D XPoint memory.

Now Intel's flagship enterprise SSD family has a more useful capacity while offering the same top performance as the 375GB model that launched earlier this spring.

The 750GB add-in card model is launching this month in both half-height, half-length add-in card and a hot-swappable 2.5-inch U.2 form factor, and Intel says a 1.5TB models are "coming soon".

The performance specifications of the Optane SSDs are impressive.
The latency for reads at low queue depths is far lower than NAND flash-based SSDs. With no wear leveling and garbage collection process going on under the hood, the Optane SSDs offer much better performance consistency than most flash-based SSDs, to the point that Intel specifies 99.999th percentile latency for the Optane SSD.

Intel Optane SSD DC P4800X Specifications

Capacity

375 GB

750 GB

Form Factor

PCIe HHHL or 2.5" 15mm U.2

Interface

PCIe 3.0 x4 NVMe

Controller

Intel SLL3D

Memory

128Gb 20nm Intel 3D XPoint

Typical Latency (R/W)

<10µs

Random Read (4 kB) IOPS (QD16)

550,000

Random Read 99.999% Latency (QD1)

60µs

Random Read 99.999% Latency (QD16)

150µs

Random Write (4 kB) IOPS (QD16)

500,000

Random Write 99.999% Latency (QD1)

100µs

Random Write 99.999% Latency (QD16)

200µs

Mixed 70/30 (4kB) Random IOPS (QD16)

500,000

Sequential Read (64kB)

2400 MB/s

Sequential Write (64kB)

2000 MB/s

Active Power

Read

8 W

10 W

Write

13 W

15 W

Idle Power

5 W

6 W

Endurance

30 DWPD

Warranty

5 years

MSRP

$1520

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In addition, capacity doesn't affect performance. The sequential transfer speeds of the P4800X are not record-setting, and the read speed rating is actually 100MBps lower than that of the consumer Optane SSD 900p.

Power consumption is the only area where the specifications differ between the 375GB and the 750GB model.

The P4800X's write endurance rating of 30 drive writes per day is far higher than most enterprise SSDs and beats any previous Intel SSD. When the P4800X exhausts the rated write endurance, it will switch to a "write protect" mode where writes are throttled to 30MB/s.

Once the P4800X has reached its write endurance rating, it is specified for unpowered data retention of 3 months, which is standard for enterprise SSD.